1. A studio to shoot action movies
The Netherlands Free Electron Laser Infrastructure for Soft X-rays
A studio to shoot action movies
of the nanoworld
Ronnie Hoekstra 1

2. launch platform @Science Park Amsterdam University of Groningen
Start October 2014
Research on
EUV generation and
its interaction with matter
Co-funded by ASML,
FOM/NWO, and
the Amsterdam Universities
University of Groningen
national Top+ research institute
Research on
advanced materials
nanophysics
Only non-US institute in top 10
of nanophysics institutes
collaborations/contacts/…. established within the initiative ( )
Oct 2016: FEL-NL on Large Scale Facilities Agenda of the KNAW
Royal Netherlands Academy of Sciences

3. how to shoot molecular action movies
Pump = light, electron, chemical reaction hydrogenation, …..
action spectroscopy
Gaffney and Chapman Science. 316 (2007) 1444
reconstruction single-shot image object
coherent imaging
probe
pump

4. ultrastrong pulsed laser
generic “camera” specs
ultrastrong pulsed laser
in the soft-X-ray /XUV
Free Electron Laser
nanometer resolution
ultrashort (fs) flashes
ultrabright, coherent source
LCLS / EU-XFEL / SwissFEL / SACLA /………..
FEL-NL
FELIX
EUV nanolithography
water window / molecular biology
absorption edges materials e.g. magnetism 4

5. Summary of FEL-NL specs
FEL-NL parameters and motivation
1 – 15 nm
Soft X ray – EUV
(photon interactions E-3)
advanced materials, biophysics (water window), catalysis, light-matter interactions, ………..
spectroscopy, reaction microscopy, nanoscale coherent imaging
1 – 5kHz
single-pulse
pump-probe spectroscopy: 1-10 fs; maximum measurement rate 1 – maybe up to 5 kHz.
external HHG seeding
pulse-to-pulse stability, reproducibility and control
tunable polarization
magnetic and chiral systems
X band accelerator +
low emittance source
compact < 100 m
low bunch charges pC 5

6. time schedule Time schedule Yr 1 baseline design
organisational scaffolding
Yr 2
sub-unit design
building site
Yr 3
full machine design
building construction
Yr 4
building infrastructure
Yr 5
start commissioning
infrastructure
Yr 6
commissioning machine
Yr 7
first soft-X-ray lasing
Yr 8
user operation

7. The Netherlands X band perspective
team up with
start Dutch X-band research cluster
feasibility and limits of a X band
accelerator driven soft X ray FEL
Jom Luiten –TU/e
tunable hard X-rays for material and medical applications
dark matter
VDL-ETG
Eindhoven